2012/10/16 20:55:19
Old55
Great stuff as usual.  Congrats, Spacey.  
2012/10/16 20:59:13
Crg
They look great, how did you determine magnet height for each string?
2012/10/16 21:38:55
spacey
Thank you Jan. I'm glad you enjoyed it.

Craig the lengths are predetermined.
One can choose different configurations so your question is a very good one.

I chose to stay with "vintage". - E,A and high E same length (.671)- D, G highest (.710) and B (.650)
A couple of choices may be to configure to closely match fretboard/string radius or flat.
The space between the top and bottom are set ( 11mm for Strat style) by wooden spacers during assembly.

I'll magnetize them and finish cleaning the unwanted wax off- done deal.

Although I don't have the meter to measure the inductance/frequency I'm really pumped that I got
consistant results with resistance (ohms) at 5.9 (best I can tell until digital meter arrives) for the Strat set
at same wraps ( 7360 for each).
Even though they were each wound from the same spool of 42 AWG plain for consistancy there is also the tension
variable. I use my fingers so very excited that I'm getting the results.
Tension and breaking the wire seem to be the two things that mess with people the most. I've had no trouble and
seem to have the touch. I've made it a point to be very precise with every step.
In doing so I have noticed a big difference in the flatwork from Stu-Mac and the flatwork from Mojotone which is where
I got the materials for these pups. I've yet to make a Strat set from the Stu-Mac materials but I have assemble the bobbins
and the accuracy of the magnets inserting straight and aligned is much better. All the Mojotone flatwork seemed to have
the same taper to the pre-cut holes for the magnets. Not much but I notice in thousandths and had to work them...and one
still returned enough that I noticed when winding.
As far as the first runs and looking for issues that was the biggest one I experienced. Not bad. Very pleased with the materials
from both of them.
I don't hammer the flatwork....much like not hammering frets...I prefer to press. Better accuracy and control IMO. I have
done both with the flatwork and with fretting.
In bobbin assembly winders remark about tapering the magnets so it doesn't deform the top-plate....pressing eliminates that issue.
At least my pressing procedure does. I made some maple jigs to assist with assembly that have been very handy.

Sorry...if I were smarter I probably wouldn't need so much wind.

2012/10/16 21:45:27
Crg
The B being the shortest magnet is what throws me off. Is that a particular style of pickup for tonality or pretty much normal?
2012/10/17 08:04:07
The Maillard Reaction
They look great spacey!

Really nice craftsmanship.


best,
mike

2012/10/17 09:33:05
spacey
Crg


The B being the shortest magnet is what throws me off. Is that a particular style of pickup for tonality or pretty much normal?
Craig I'll try to answer...
Normal?  I guess because it's vintage Strat as Leo intended.
Particular style? I would say it's vintage Strat style.
 
Tonality? Everything about the pickup effects tone. The magnets in relation to the strings is one.
 
This may be note worthy- I don't cut the length of the magnets. They were purchase length selections to match Fender design. The bobbins were built to Fender Strat specs.
Should I make modifications for this style (vintage) it would probably be to grind a bevel on the
top of each magnet. It looks good and makes it somewhat easier to assemble.
 
  Edit; I'm sorry...I didn't address the "B" question...it is lower because the B string is louder.
The lengths were obviously brought about from the radius - 7 and a 1/4" radius that the early
Strats had. Now with the flatter fretboards staggered poles aren't really needed.  
Straight Strat pups have been available with .656- .671- .688 and .719.
 
Thank you Mike.
 
 
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